F42B3/188 - CPC Classification Index

ClassID:

163470 ⎘

F42B3/188 - CPC Classification

Classification description:

Blasting cartridges, i.e. case and explosive; Initiators therefor; Safety initiators resistant to premature firing by static electricity or stray currents having radio-frequency filters, e.g. containing ferrite cores or inductances

Recent Application in this class:

20260071856

2026-03-12

COMPACT ELECTRIC DETONATOR WITH BUILT-IN ELECTROMAGNETIC INTERFERENCE (EMI) FILTER AND METHOD OF ASSEMBLING THE SAME

20210341265

2021-11-04

RF attenuating switch

20170176152

2017-06-22

RF attenuating switch for use with explosives and method of using the same

20150233690

2015-08-20

Detonator ignition protection and detection circuit

20120158322

2012-06-21

Automatic Stein Hall Viscosity Cup